Merge branch 'hotfix/updates'
Add Grunt build script
Add Grunt build script
Optimize images with Grunt
Merge branch 'hotfix/gruntjs'
Merge branch 'hotfix/gruntjs' into develop

Conflicts:
	Gruntfile.js
	package.json
Add HPSTR theme article
Add new PaperFaces portraits
Optimize images
Exclude Grunt files from _site
Merge branch 'hotfix/updates' into develop